ConnecTiles - Magnetic Tile Building Kit Clear Colors 100 Piece Set 100-piece set of multi-colored, geometric magnetic building tiles with project guide Develops spatial awareness and problem-solving, logical thinking, and math reasoning Square and triangular tiles adhere on all sides for infinite 2D and 3D building possibilities Recommended for children from 3 and up; hours of fun for children and adults Open-ended manipulative building set engages children of all ages in creative play